precipitousness vs abruptness

precipitousness and abruptness both are nouns.

Word	Noun	Adjective	Verb	Adverb
precipitousness	Yes	No	No	No
abruptness	Yes	No	No	No

As nouns, precipitousness and abruptness are synonyms defined as:

precipitousness and abruptness: the property possessed by a slope that is very steep

Other synonyms of precipitousness include steepness.

As nouns, precipitousness and abruptness are synonyms defined as:

precipitousness and abruptness: the quality of happening with headlong haste or without warning

Other synonyms of precipitousness include precipitance, precipitancy, precipitateness, suddenness.

precipitousness (noun)	abruptness (noun)
the property possessed by a slope that is very steep	the quality of happening with headlong haste or without warning
the quality of happening with headlong haste or without warning	the property possessed by a slope that is very steep
	an abrupt discourteous manner